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// Unzipper.h: interface for the CUnzipper class (c) daniel godson 2002
//
// CUnzipper is a simple c++ wrapper for the 'unzip' file extraction
// api written by Gilles Vollant (c) 2002, which in turn makes use of
// 'zlib' written by Jean-loup Gailly and Mark Adler (c) 1995-2002.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely without restriction.
//
// Notwithstanding this, you are still bound by the conditions imposed
// by the original authors of 'unzip' and 'zlib'
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_UNZIPPER_H__EBC42716_31C7_4659_8EF3_9BF8D4409709__INCLUDED_)
#define AFX_UNZIPPER_H__EBC42716_31C7_4659_8EF3_9BF8D4409709__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
const UINT MAX_COMMENT = 255;
// create our own fileinfo struct to hide the underlying implementation
struct UZ_FileInfo
{
char szFileName[MAX_PATH + 1];
char szComment[MAX_COMMENT + 1];
DWORD dwVersion;
DWORD dwVersionNeeded;
DWORD dwFlags;
DWORD dwCompressionMethod;
DWORD dwDosDate;
DWORD dwCRC;
DWORD dwCompressedSize;
DWORD dwUncompressedSize;
DWORD dwInternalAttrib;
DWORD dwExternalAttrib;
bool bFolder;
};
class CUnzipper
{
public:
CUnzipper(LPCTSTR szFilePath = NULL);
virtual ~CUnzipper();
// simple interface
static bool Unzip(LPCTSTR szFileName, LPCTSTR szFolder = NULL, bool bIgnoreFilePath = FALSE);
// works with prior opened zip
bool Unzip(bool bIgnoreFilePath = FALSE); // unzips to output folder or sub folder with zip name
bool UnzipTo(LPCTSTR szFolder, bool bIgnoreFilePath = FALSE); // unzips to specified folder
// extended interface
bool OpenZip(LPCTSTR szFilePath);
bool CloseZip(); // for multiple reuse
bool SetOutputFolder(LPCTSTR szFolder); // will try to create
// unzip by file index
int GetFileCount();
bool GetFileInfo(int nFile, UZ_FileInfo& info);
bool UnzipFile(int nFile, LPCTSTR szFolder = NULL, bool bIgnoreFilePath = FALSE);
// unzip current file
bool GotoFirstFile(LPCTSTR szExt = NULL);
bool GotoNextFile(LPCTSTR szExt = NULL);
bool GetFileInfo(UZ_FileInfo& info);
bool UnzipFile(LPCTSTR szFolder = NULL, bool bIgnoreFilePath = FALSE);
// helpers
bool GotoFile(LPCTSTR szFileName, bool bIgnoreFilePath = TRUE);
bool GotoFile(int nFile);
protected:
void* m_uzFile;
char m_szOutputFolder[MAX_PATH + 1];
protected:
static bool CreateFolder(LPCTSTR szFolder);
static bool CreateFilePath(LPCTSTR szFilePath); // truncates from the last '\'
static bool SetFileModTime(LPCTSTR szFilePath, DWORD dwDosDate);
};
#endif // !defined(AFX_UNZIPPER_H__EBC42716_31C7_4659_8EF3_9BF8D4409709__INCLUDED_)
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.dan.g. is a naturalised Australian and has been developing commercial windows software since 1998.